diff --git a/eventBindings.go b/eventBindings.go
index 5b39457..121f95f 100644
--- a/eventBindings.go
+++ b/eventBindings.go
@@ -33,8 +33,9 @@ func registerHandlers(g *gocui.Gui) {
 	g.SetKeybinding("", keyForced, modForced, handle_ctrl_z)          // CTRL-Z :cleverly let's you background gocui (breaks cursor mouse on return)
 
 	// regular keys
-	g.SetKeybinding("", 'H', gocui.ModNone, theHelp)                  // '?' toggles on and off the help menu
-	g.SetKeybinding("", 'O', gocui.ModNone, theStdout)                // 'o' toggle the STDOUT window
+	g.SetKeybinding("", 'H', gocui.ModNone, theHelp)                  // 'H' toggles on and off the help menu
+	g.SetKeybinding("", 'O', gocui.ModNone, theStdout)                // 'O' toggle the STDOUT window
+	g.SetKeybinding("", 'D', gocui.ModNone, theDarkness)              // 'D' toggles light/dark mode
 	g.SetKeybinding("", 'q', gocui.ModNone, doExit)                   // 'q' exit
 	g.SetKeybinding("", gocui.KeyTab, gocui.ModNone, tabCycleWindows) // '2' use this to test new ideas
 	g.SetKeybinding("", gocui.KeyPgup, gocui.ModNone, stdoutPgup)     // Pgup scroll up the Stdout buffer
@@ -108,6 +109,17 @@ func theNotsure(g *gocui.Gui, v *gocui.View) error {
 	return nil
 }
 
+func theDarkness(g *gocui.Gui, v *gocui.View) error {
+	if me.dark {
+		me.dark = false
+		log.Info("you have seen the light")
+	} else {
+		me.dark = true
+		log.Info("you have entered into darkness")
+	}
+	return nil
+}
+
 func stdoutPgup(g *gocui.Gui, v *gocui.View) error {
 	me.stdout.pager -= 40
 	if me.stdout.pager < 0 {
diff --git a/help.go b/help.go
index 7aa5e62..1948fa8 100644
--- a/help.go
+++ b/help.go
@@ -26,13 +26,15 @@ import (
 var helpText []string = []string{"Help Menu",
 	"",
 	"H: toggle (H)elp",
+	"D: toggle light/dark mode",
+	"Tab: toggle through windows",
+	"q: quit()",
+	"",
+	"Debugging:",
 	"O: toggle (O)output (os.STDOUT)",
 	"S: super mouse",
 	"M: list all widgets positions",
 	"L: list all widgets in tree",
-	"Tab: toggle through windows",
-	"q: quit()",
-	"",
 }
 
 func hideHelp() {